bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/formula/TodayFormulaFunction.java

   1 package org.simantics.spreadsheet.graph.formula;
   2
   3 import java.time.LocalDate;
   4 import java.time.Month;
   5 import java.time.temporal.ChronoUnit;
   6 import java.time.temporal.Temporal;
   7
   8 import org.simantics.spreadsheet.graph.CellFormulaFunction;
   9 import org.simantics.spreadsheet.graph.CellValueVisitor;
  10 import org.simantics.spreadsheet.graph.parser.ast.AstArgList;
  11
  12 public class TodayFormulaFunction implements CellFormulaFunction<Long> {
  13
  14     private Temporal baseline = LocalDate.of(1899, Month.DECEMBER, 30);
  15
  16     @Override
  17     public Long evaluate(CellValueVisitor visitor, AstArgList args) {
  18         return Long.valueOf(ChronoUnit.DAYS.between(baseline, LocalDate.now()));
  19     }
  20
  21 }